Home / 3,171,986.98-4,377,346.45-1,721,682.72

Finding the Fourth Proportional to 3,171,986.98, 4,377,346.45 and 1,721,682.72

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Solution

The fourth proportional to 3,171,986.98, 4,377,346.45 and 1,721,682.72 is: 2,375,924.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,986.98 : 4,377,346.45 = 1,721,682.72 : x
  2. Step 2: Convert to fraction form
    3,171,986.98/4,377,346.45 = 1,721,682.72/x
  3. Step 3: Cross multiply
    3,171,986.98x = 4,377,346.45 × 1,721,682.72
  4. Step 4: Simplify right side
    3,171,986.98x = 7,536,401,733,065.16
  5. Step 5: Solve for x
    x = 7,536,401,733,065.16/3,171,986.98
  6. Step 6: Final answer
    x = 2,375,924.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.